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adjective
growing old; aging.
Origin:
1650–60; < Latin senēscent- (stem of senēscēns) present participle of senēscere to grow old, equivalent to sen- old + -ēscent- -escent
1650–60; < Latin senēscent- (stem of senēscēns) present participle of senēscere to grow old, equivalent to sen- old + -ēscent- -escent
Related forms
se·nes·cence, noun
un·se·nes·cent, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Senescence
is always a great word to know.
So is ort. Does it mean:
| a scrap or morsel of food left at a meal. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
Example Sentences
- But many tumor cells can be grown indefinitely in a laboratory culture and are said to have escaped senescence.
- The resulting panorama is early senescence with all of the common underlying irreversible medical conditions.
- It will eventually sigh off another shell of gas and settle into eternal senescence as a white dwarf.
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary
senescence se·nes·cence (sĭ-něs'əns)
n.
The process of growing old; aging.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Encyclopedia Britannica
Encyclopedia
senescence
in human beings, the final stage of the normal life span. Definitions of old age are not consistent from the standpoints of biology, demography (conditions of mortality and morbidity), employment and retirement, and sociology. For statistical and public administrative purposes, however, old age is frequently defined as 60 or 65 years of age or older
Learn more about senescence with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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